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Finding the Fourth Proportional to 186,041.58, 279,056.04 and 80,860.56

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Solution

The fourth proportional to 186,041.58, 279,056.04 and 80,860.56 is: 121,288.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,041.58 : 279,056.04 = 80,860.56 : x
  2. Step 2: Convert to fraction form
    186,041.58/279,056.04 = 80,860.56/x
  3. Step 3: Cross multiply
    186,041.58x = 279,056.04 × 80,860.56
  4. Step 4: Simplify right side
    186,041.58x = 22,564,627,665.78
  5. Step 5: Solve for x
    x = 22,564,627,665.78/186,041.58
  6. Step 6: Final answer
    x = 121,288.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.